/*
 * Copyright 2012-2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.boot.autoconfigure.velocity;

import java.util.HashMap;
import java.util.Map;

import org.springframework.boot.autoconfigure.template.AbstractTemplateViewResolverProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.web.servlet.view.velocity.VelocityViewResolver;

/**
 * {@link ConfigurationProperties} for configuring Velocity
 *
 * @author Andy Wilkinson
 * @since 1.1.0
 */
@ConfigurationProperties(prefix = "spring.velocity")
public class VelocityProperties extends AbstractTemplateViewResolverProperties {

	public static final String DEFAULT_RESOURCE_LOADER_PATH = "classpath:/templates/";

	public static final String DEFAULT_PREFIX = "";

	public static final String DEFAULT_SUFFIX = ".vm";

	/**
	 * Name of the DateTool helper object to expose in the Velocity context of the view.
	 */
	private String dateToolAttribute;

	/**
	 * Name of the NumberTool helper object to expose in the Velocity context of the view.
	 */
	private String numberToolAttribute;

	/**
	 * Additional velocity properties.
	 */
	private Map<String, String> properties = new HashMap<String, String>();

	/**
	 * Template path.
	 */
	private String resourceLoaderPath = DEFAULT_RESOURCE_LOADER_PATH;

	/**
	 * Velocity Toolbox config location, for example "/WEB-INF/toolbox.xml". Automatically
	 * loads a Velocity Tools toolbox definition file and expose all defined tools in the
	 * specified scopes.
	 */
	private String toolboxConfigLocation;

	/**
	 * Prefer file system access for template loading. File system access enables hot
	 * detection of template changes.
	 */
	private boolean preferFileSystemAccess = true;

	public VelocityProperties() {
		super(DEFAULT_PREFIX, DEFAULT_SUFFIX);
	}

	public String getDateToolAttribute() {
		return this.dateToolAttribute;
	}

	public void setDateToolAttribute(String dateToolAttribute) {
		this.dateToolAttribute = dateToolAttribute;
	}

	public String getNumberToolAttribute() {
		return this.numberToolAttribute;
	}

	public void setNumberToolAttribute(String numberToolAttribute) {
		this.numberToolAttribute = numberToolAttribute;
	}

	public Map<String, String> getProperties() {
		return this.properties;
	}

	public void setProperties(Map<String, String> properties) {
		this.properties = properties;
	}

	public String getResourceLoaderPath() {
		return this.resourceLoaderPath;
	}

	public void setResourceLoaderPath(String resourceLoaderPath) {
		this.resourceLoaderPath = resourceLoaderPath;
	}

	public String getToolboxConfigLocation() {
		return this.toolboxConfigLocation;
	}

	public void setToolboxConfigLocation(String toolboxConfigLocation) {
		this.toolboxConfigLocation = toolboxConfigLocation;
	}

	public boolean isPreferFileSystemAccess() {
		return this.preferFileSystemAccess;
	}

	public void setPreferFileSystemAccess(boolean preferFileSystemAccess) {
		this.preferFileSystemAccess = preferFileSystemAccess;
	}

	@Override
	public void applyToViewResolver(Object viewResolver) {
		super.applyToViewResolver(viewResolver);
		VelocityViewResolver resolver = (VelocityViewResolver) viewResolver;
		resolver.setToolboxConfigLocation(getToolboxConfigLocation());
		resolver.setDateToolAttribute(getDateToolAttribute());
		resolver.setNumberToolAttribute(getNumberToolAttribute());
	}

}
